Home / 104,620.20-144,374.17-56,874.75

Finding the Fourth Proportional to 104,620.20, 144,374.17 and 56,874.75

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Solution

The fourth proportional to 104,620.20, 144,374.17 and 56,874.75 is: 78,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,620.20 : 144,374.17 = 56,874.75 : x
  2. Step 2: Convert to fraction form
    104,620.20/144,374.17 = 56,874.75/x
  3. Step 3: Cross multiply
    104,620.20x = 144,374.17 × 56,874.75
  4. Step 4: Simplify right side
    104,620.20x = 8,211,244,825.21
  5. Step 5: Solve for x
    x = 8,211,244,825.21/104,620.20
  6. Step 6: Final answer
    x = 78,486.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.